I'm not sure, but it's probably that Mary bakes faster than Sarah?
The cost of 1 battery is 0.43
Step-by-step explanation:
Let the cost of 1 battery be x
We are given that the torch costs 11 times as much as the battery
Cost of torch = 11x
Total cost of 1 battery and torch = 11x+x=12x
Tim pays $10
He receives change of $4.84
Total cost of 1 torch and battery = 10 - 4.84 =$5.16
So,


Hence the cost of 1 battery is 0.43
Answer:
12.65
Step-by-step explanation:
Answer:
49:28
Step-by-step explanation:
7+4=11
77/11=7
7*7=49
4*7=28